<?php
require_once("include/oembed.php");
-require_once('include/event.php');
-
-require_once('library/markdown.php');
-require_once('include/html2bbcode.php');
+require_once("include/event.php");
+require_once("library/markdown.php");
+require_once("include/html2bbcode.php");
+require_once("include/bbcode.php");
+require_once("include/markdownify/markdownify.php");
// we don't want to support a bbcode specific markdown interpreter
// and the markdown library we have is pretty good, but provides HTML output.
-// So we'll use that to convert to HTML, then convert the HTML back to bbcode,
+// So we'll use that to convert to HTML, then convert the HTML back to bbcode,
// and then clean up a few Diaspora specific constructs.
function diaspora2bb($s) {
+ // for testing purposes: Collect raw markdown articles
+ // $file = tempnam("/tmp/friendica/", "markdown");
+ // file_put_contents($file, $s);
+
+ $s = html_entity_decode($s,ENT_COMPAT,'UTF-8');
+
+ // Too many new lines. So deactivated the following line
+ // $s = str_replace("\r","\n",$s);
+ // Simply remove cr.
+ $s = str_replace("\r","",$s);
+
+ // <br/> is invalid. Replace it with the valid expression
+ $s = str_replace("<br/>","<br />",$s);
+
$s = preg_replace('/\@\{(.+?)\; (.+?)\@(.+?)\}/','@[url=https://$3/u/$2]$1[/url]',$s);
+
+ // Escaping the hash tags - doesn't always seem to work
+ // $s = preg_replace('/\#([^\s\#])/','\\#$1',$s);
+ // This seems to work
+ $s = preg_replace('/\#([^\s\#])/','#$1',$s);
+
$s = Markdown($s);
+
+ $s = str_replace('#','#',$s);
+
+ $s = str_replace("\n",'<br />',$s);
+
$s = html2bbcode($s);
- $s = str_replace('*','*',$s);
- $s = preg_replace("/\[url\=?(.*?)\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/url\]/ism",'[youtube]$2[/youtube]',$s);
- $s = preg_replace("/\[url\=https?:\/\/www.youtube.com\/watch\?v\=(.*?)\].*?\[\/url\]/ism",'[youtube]$1[/youtube]',$s);
- $s = preg_replace("/\[url\=?(.*?)\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/url\]/ism",'[vimeo]$2[/vimeo]',$s);
- $s = preg_replace("/\[url\=https?:\/\/vimeo.com\/([0-9]+)\](.*?)\[\/url\]/ism",'[vimeo]$1[/vimeo]',$s);
- $s = preg_replace("/([^\]\=]|^)(https?\:\/\/)(vimeo|youtu|www\.youtube|soundcloud)([a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url]$2$3$4[/url]',$s);
+// $s = str_replace('*','*',$s);
+
+ // Convert everything that looks like a link to a link
+ $s = preg_replace("/([^\]\=]|^)(https?\:\/\/)([a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url=$2$3]$2$3[/url]',$s);
+
+ //$s = preg_replace("/([^\]\=]|^)(https?\:\/\/)(vimeo|youtu|www\.youtube|soundcloud)([a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url=$2$3$4]$2$3$4[/url]',$s);
+ $s = preg_replace("/\[url\=?(.*?)\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/url\]/ism",'[youtube]$2[/youtube]',$s);
+ $s = preg_replace("/\[url\=https?:\/\/www.youtube.com\/watch\?v\=(.*?)\].*?\[\/url\]/ism",'[youtube]$1[/youtube]',$s);
+ $s = preg_replace("/\[url\=?(.*?)\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/url\]/ism",'[vimeo]$2[/vimeo]',$s);
+ $s = preg_replace("/\[url\=https?:\/\/vimeo.com\/([0-9]+)\](.*?)\[\/url\]/ism",'[vimeo]$1[/vimeo]',$s);
// remove duplicate adjacent code tags
$s = preg_replace("/(\[code\])+(.*?)(\[\/code\])+/ism","[code]$2[/code]", $s);
- $s = scale_diaspora_images($s);
- return $s;
-}
+ // Don't show link to full picture (until it is fixed)
+ $s = scale_external_images($s, false);
-function scale_diaspora_images($s,$include_link = true) {
-
- $matches = null;
- $c = preg_match_all('/\[img\](.*?)\[\/img\]/ism',$s,$matches,PREG_SET_ORDER);
- if($c) {
- require_once('include/Photo.php');
- foreach($matches as $mtch) {
- logger('scale_diaspora_image: ' . $mtch[1]);
- $i = fetch_url($mtch[1]);
- if($i) {
- $ph = new Photo($i);
- if($ph->is_valid()) {
- if($ph->getWidth() > 600 || $ph->getHeight() > 600) {
- $ph->scaleImage(600);
- $new_width = $ph->getWidth();
- $new_height = $ph->getHeight();
- logger('scale_diaspora_image: ' . $new_width . 'w ' . $new_height . 'h' . 'match: ' . $mtch[0], LOGGER_DEBUG);
- $s = str_replace($mtch[0],'[img=' . $new_width . 'x' . $new_height. ']' . $mtch[1] . '[/img]'
- . "\n" . (($include_link)
- ? '[url=' . $mtch[1] . ']' . t('view full size') . '[/url]' . "\n"
- : ''),$s);
- logger('scale_diaspora_image: new string: ' . $s, LOGGER_DEBUG);
- }
- }
- }
- }
- }
return $s;
}
+
function stripdcode_br_cb($s) {
return '[code]' . str_replace('<br />', "\n\t", $s[1]) . '[/code]';
}
+function diaspora_ul($s) {
+ // Replace "[\\*]" followed by any number (including zero) of
+ // spaces by "* " to match Diaspora's list format
+ return preg_replace("/\[\\\\\*\]( *)/", "* ", $s[1]);
+}
+
+
+function diaspora_ol($s) {
+ // A hack: Diaspora will create a properly-numbered ordered list even
+ // if you use '1.' for each element of the list, like:
+ // 1. First element
+ // 1. Second element
+ // 1. Third element
+ return preg_replace("/\[\\\\\*\]( *)/", "1. ", $s[1]);
+}
+
function bb2diaspora($Text,$preserve_nl = false) {
+ // Convert it to HTML - don't try oembed
+ $Text = bbcode($Text, $preserve_nl, false);
+
+ // Now convert HTML to Markdown
+ $md = new Markdownify(false, false, false);
+ $Text = $md->parseString($Text);
+
+ // Remove all unconverted tags
+ $Text = strip_tags($Text);
+
+/*
$ev = bbtoevent($Text);
// Replace any html brackets with HTML Entities to prevent executing HTML or script
$Text = str_replace(">", ">", $Text);
// If we find any event code, turn it into an event.
- // After we're finished processing the bbcode we'll
+ // After we're finished processing the bbcode we'll
// replace all of the event code with a reformatted version.
-
if($preserve_nl)
$Text = str_replace(array("\n","\r"), array('',''),$Text);
+ else
+ // Remove the "return" character, as Diaspora uses only the "newline"
+ // character, so having the "return" character can cause signature
+ // failures
+ $Text = str_replace("\r", "", $Text);
+
// Set up the parameters for a URL search string
$URLSearchString = "^\[\]";
// [img]pathtoimage[/img]
+ // the following was added on 10-January-2012 due to an inability of Diaspora's
+ // new javascript markdown processor to handle links with images as the link "text"
+ // It is not optimal and may be removed if this ability is restored in the future
+
+ $Text = preg_replace("/\[url\=([$URLSearchString]*)\]\[img\](.*?)\[\/img\]\[\/url\]/ism",
+ '![' . t('image/photo') . '](' . '$2' . ')' . "\n" . '[' . t('link') . '](' . '$1' . ')', $Text);
+
$Text = preg_replace("/\[bookmark\]([$URLSearchString]*)\[\/bookmark\]/ism", '[$1]($1)', $Text);
$Text = preg_replace("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism", '[$2]($1)', $Text);
$Text = preg_replace("/\#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[#$2]($1)', $Text);
$Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[$2]($1)', $Text);
+
$Text = preg_replace("/\[img\](.*?)\[\/img\]/", '![' . t('image/photo') . '](' . '$1' . ')', $Text);
+ $Text = preg_replace("/\[img\=(.*?)\](.*?)\[\/img\]/", '![' . t('image/photo') . '](' . '$2' . ')', $Text);
// Perform MAIL Search
$Text = preg_replace("(\[mail\]([$MAILSearchString]*)\[/mail\])", '[$1](mailto:$1)', $Text);
$Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '[$2](mailto:$1)', $Text);
-
+
$Text = str_replace('*', '\\*', $Text);
$Text = str_replace('_', '\\_', $Text);
// Check for bold text
$Text = preg_replace("(\[b\](.*?)\[\/b\])is",'**$1**',$Text);
- // Check for Italics text
+ // Check for italics text
$Text = preg_replace("(\[i\](.*?)\[\/i\])is",'_$1_',$Text);
- // Check for Underline text
-// $Text = preg_replace("(\[u\](.*?)\[\/u\])is",'<u>$1</u>',$Text);
+ // Check for underline text
+ // Replace with italics since Diaspora doesn't have underline
+ $Text = preg_replace("(\[u\](.*?)\[\/u\])is",'_$1_',$Text);
// Check for strike-through text
-// $Text = preg_replace("(\[s\](.*?)\[\/s\])is",'<strike>$1</strike>',$Text);
+ $Text = preg_replace("(\[s\](.*?)\[\/s\])is",'**[strike]**$1**[/strike]**',$Text);
// Check for over-line text
// $Text = preg_replace("(\[o\](.*?)\[\/o\])is",'<span class="overline">$1</span>',$Text);
// Check for colored text
-// $Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])is","<span style=\"color: $1;\">$2</span>",$Text);
+ // Remove color since Diaspora doesn't support it
+ $Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])is","$2",$Text);
// Check for sized text
-// $Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])is","<span style=\"font-size: $1;\">$2</span>",$Text);
+ // Remove it since Diaspora doesn't support sizes very well
+ $Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])is","$2",$Text);
// Check for list text
-// $Text = preg_replace("/\[list\](.*?)\[\/list\]/is", '<ul class="listbullet">$1</ul>' ,$Text);
-// $Text = preg_replace("/\[list=1\](.*?)\[\/list\]/is", '<ul class="listdecimal">$1</ul>' ,$Text);
-// $Text = preg_replace("/\[list=i\](.*?)\[\/list\]/s",'<ul class="listlowerroman">$1</ul>' ,$Text);
-// $Text = preg_replace("/\[list=I\](.*?)\[\/list\]/s", '<ul class="listupperroman">$1</ul>' ,$Text);
-// $Text = preg_replace("/\[list=a\](.*?)\[\/list\]/s", '<ul class="listloweralpha">$1</ul>' ,$Text);
-// $Text = preg_replace("/\[list=A\](.*?)\[\/list\]/s", '<ul class="listupperalpha">$1</ul>' ,$Text);
+ $Text = preg_replace_callback("/\[list\](.*?)\[\/list\]/is", 'diaspora_ul', $Text);
+ $Text = preg_replace_callback("/\[ul\](.*?)\[\/ul\]/is", 'diaspora_ul', $Text);
+ $Text = preg_replace_callback("/\[list=1\](.*?)\[\/list\]/is", 'diaspora_ol', $Text);
+ $Text = preg_replace_callback("/\[list=i\](.*?)\[\/list\]/s",'diaspora_ol', $Text);
+ $Text = preg_replace_callback("/\[list=I\](.*?)\[\/list\]/s", 'diaspora_ol', $Text);
+ $Text = preg_replace_callback("/\[list=a\](.*?)\[\/list\]/s", 'diaspora_ol', $Text);
+ $Text = preg_replace_callback("/\[list=A\](.*?)\[\/list\]/s", 'diaspora_ol', $Text);
+ $Text = preg_replace_callback("/\[ol\](.*?)\[\/ol\]/is", 'diaspora_ol', $Text);
// $Text = preg_replace("/\[li\](.*?)\[\/li\]/s", '<li>$1</li>' ,$Text);
-// $Text = preg_replace("/\[td\](.*?)\[\/td\]/s", '<td>$1</td>' ,$Text);
-// $Text = preg_replace("/\[tr\](.*?)\[\/tr\]/s", '<tr>$1</tr>' ,$Text);
-// $Text = preg_replace("/\[table\](.*?)\[\/table\]/s", '<table>$1</table>' ,$Text);
+ // Just get rid of table tags since Diaspora doesn't support tables
+ $Text = preg_replace("/\[th\](.*?)\[\/th\]/s", '$1' ,$Text);
+ $Text = preg_replace("/\[td\](.*?)\[\/td\]/s", '$1' ,$Text);
+ $Text = preg_replace("/\[tr\](.*?)\[\/tr\]/s", '$1' ,$Text);
+ $Text = preg_replace("/\[table\](.*?)\[\/table\]/s", '$1' ,$Text);
-// $Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/s", '<table border="1" >$1</table>' ,$Text);
+ $Text = preg_replace("/\[table border=(.*?)\](.*?)\[\/table\]/s", '$2' ,$Text);
// $Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/s", '<table border="0" >$1</table>' ,$Text);
-
+
// $Text = str_replace("[*]", "<li>", $Text);
// Check for font change text
// $Text = preg_replace("(\[font=(.*?)\](.*?)\[\/font\])","<span style=\"font-family: $1;\">$2</span>",$Text);
- $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/is",'stripdcode_br_cb',$Text);
+ $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/is",'stripdcode_br_cb',$Text);
// Check for [code] text
$Text = preg_replace("/(\[code\])+(.*?)(\[\/code\])+/is","\t$2\n", $Text);
// Declare the format for [quote] layout
- // $QuoteLayout = '<blockquote>$1</blockquote>';
+ // $QuoteLayout = '<blockquote>$1</blockquote>';
// Check for [quote] text
$Text = preg_replace("/\[quote\](.*?)\[\/quote\]/is",">$1\n\n", $Text);
-
+ $Text = preg_replace("/\[quote=(.*?)\](.*?)\[\/quote\]/is",">$2\n\n", $Text);
+
// Images
// html5 video and audio
-// $Text = preg_replace("/\[video\](.*?)\[\/video\]/", '<video src="$1" controls="controls" width="425" height="350"><a href="$1">$1</a></video>', $Text);
+ $Text = preg_replace("/\[video\](.*?)\[\/video\]/", '$1', $Text);
-// $Text = preg_replace("/\[audio\](.*?)\[\/audio\]/", '<audio src="$1" controls="controls"><a href="$1">$1</a></audio>', $Text);
+ $Text = preg_replace("/\[audio\](.*?)\[\/audio\]/", '$1', $Text);
// $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/", '<iframe src="$1" width="425" height="350"><a href="$1">$1</a></iframe>', $Text);
-
+
// [img=widthxheight]image source[/img]
// $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/", '<img src="$3" style="height:{$2}px; width:{$1}px;" >', $Text);
-// if (get_pconfig(local_user(), 'oembed', 'use_for_youtube' )==1){
-// // use oembed for youtube links
-// $Text = preg_replace("/\[youtube\]/",'[embed]',$Text);
-// $Text = preg_replace("/\[\/youtube\]/",'[/embed]',$Text);
-// } else {
-// // Youtube extensions
- // $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/",'[youtube]$1[/youtube]',$Text);
- // $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/",'[youtube]$1[/youtube]',$Text);
-// $Text = preg_replace("/\[youtube\](.*?)\[\/youtube\]/", '<iframe width="425" height="349" src="http://www.youtube.com/embed/$1" frameborder="0" allowfullscreen></iframe>', $Text);
-// }
-// $Text = preg_replace("/\[youtube\](.*?)\[\/youtube\]/", '<object width="425" height="350" type="application/x-shockwave-flash" data="http://www.youtube.com/v/$1" ><param name="movie" value="http://www.youtube.com/v/$1"></param><!--[if IE]><embed src="http://www.youtube.com/v/$1" type="application/x-shockwave-flash" width="425" height="350" /><![endif]--></object>', $Text);
+ $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism",'http://www.youtube.com/watch?v=$1',$Text);
+ $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'http://www.youtube.com/watch?v=$1',$Text);
+ $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'http://www.youtube.com/watch?v=$1',$Text);
+ $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", 'http://www.youtube.com/watch?v=$1', $Text);
+ $Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism",'http://vimeo.com/$1',$Text);
+ $Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'http://vimeo.com/$1',$Text);
+ $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", 'http://vimeo.com/$1',$Text);
+ $Text = str_replace('[nosmile]','',$Text);
+
// oembed tag
// $Text = oembed_bbcode2html($Text);
if(x($ev,'desc') && x($ev,'start')) {
$sub = format_event_diaspora($ev);
-
+
$Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/is",$sub,$Text);
$Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/is",'',$Text);
$Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/is",'',$Text);
$Text = preg_replace("/\<(.*?)(src|href)=(.*?)\&\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text);
- $Text = preg_replace('/\[(.*?)\]\((.*?)\\\\_(.*?)\)/ism','[$1]($2_$3)',$Text);
-
+ $Text = preg_replace_callback('/\[(.*?)\]\((.*?)\)/ism','unescape_underscores_in_links',$Text);
+*/
+
+ // Remove any leading or trailing whitespace, as this will mess up
+ // the Diaspora signature verification and cause the item to disappear
+ $Text = trim($Text);
+
call_hooks('bb2diaspora',$Text);
return $Text;
}
+function unescape_underscores_in_links($m) {
+ $y = str_replace('\\_','_', $m[2]);
+ return('[' . $m[1] . '](' . $y . ')');
+}
+
function format_event_diaspora($ev) {
$a = get_app();
$bd_format = t('l F d, Y \@ g:i A') ; // Friday January 18, 2011 @ 8 AM
- $o = 'Friendika event notification:' . "\n";
+ $o = 'Friendica event notification:' . "\n";
$o .= '**' . bb2diaspora($ev['desc']) . '**' . "\n";